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38
The following is a copy of the Annual Return of Food Poisoning
notifications for the year 1957 which is sent to the Ministry of Health
in accordance with statutory requirements:—
1 st Quarter 2nd Quarter 3rd Quarter 4th Quarter TOTAL
6 4 5 4 19
Outbreaks due to Identified Agents:
Total Outbreaks: Nil. Total Cases: Nil.
Outbreaks of Undiscovered Cause:
Total Outbreaks: Nil. Total Cases: Nil.
Single Cases:
Agent Identified: 3. Unknown Cause: 16. 19
(Salmonella Typhimurium: 2).
(Salmonella Enteritidis: 1).
Diphtheria.
The notified case of diphtheria was in a woman of 49 who after
commencing with influenzal symptoms later developed a throat membrane
without apparent glandular involvement. A C. diphtheriae gravis
infection was ascertained bacteriologically but apparently responded
speedily to treatment as negative swabs were relatively rapidly obtained;
convalescence was slow. The two primary contacts both remained well.
Immunisation and Vaccination Statistics.
I am indebted to Dr. W. T. G. Boul, Area Medical Officer, for the
following information concerning immunisation and vaccination statistics
applicable to the Urban District for the year 1957: —
Diphtheria Immunisation:
Completed primary immunisations 1,508
Boost injections
Whooping Cough Immunisations:
Completed primary immunisations 1,296
Boost injections 115
Combined Diphtheria I Pertussis Immunisation-.
Completed primary immunisations 457
Boost injections 70
Poliomyelitis Vaccination:
Completed vaccinations (2 injections) 4,160
Acceptances 4,000
(approx.)
Smallpox Vaccination:
Primary Vaccinations 1,918
Re-vaccinations 489